The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 2019
Filed:
Jan. 05, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Akari Yasukawa, Kashiwa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An information processing apparatus includes a storage device configured to store data, an encryption chip configured to store an encryption key therein, a nonvolatile memory configured to store a backup encryption key, and a control unit configured to confirm whether the data stored in the storage device has been correctly decrypted by using the encryption key, and when the data has not been correctly decrypted, restore the backup encryption key to the encryption chip, and when the data has been correctly decrypted, back up the backup encryption key, which is a backup of the encryption key, stored in the encryption chip into the nonvolatile memory.